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Finding the Fourth Proportional to 90,717,104,430.90, 136,075,656,646.35 and 90,717,104,430.90

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Solution

The fourth proportional to 90,717,104,430.90, 136,075,656,646.35 and 90,717,104,430.90 is: 136,075,656,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,717,104,430.90 : 136,075,656,646.35 = 90,717,104,430.90 : x
  2. Step 2: Convert to fraction form
    90,717,104,430.90/136,075,656,646.35 = 90,717,104,430.90/x
  3. Step 3: Cross multiply
    90,717,104,430.90x = 136,075,656,646.35 × 90,717,104,430.90
  4. Step 4: Simplify right side
    90,717,104,430.90x = 12,344,389,554,490,224,672,768
  5. Step 5: Solve for x
    x = 12,344,389,554,490,224,672,768/90,717,104,430.90
  6. Step 6: Final answer
    x = 136,075,656,646.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.