Home / 152,872,281.11-210,966,174.88-86,791,430.95

Finding the Fourth Proportional to 152,872,281.11, 210,966,174.88 and 86,791,430.95

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Solution

The fourth proportional to 152,872,281.11, 210,966,174.88 and 86,791,430.95 is: 119,773,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,872,281.11 : 210,966,174.88 = 86,791,430.95 : x
  2. Step 2: Convert to fraction form
    152,872,281.11/210,966,174.88 = 86,791,430.95/x
  3. Step 3: Cross multiply
    152,872,281.11x = 210,966,174.88 × 86,791,430.95
  4. Step 4: Simplify right side
    152,872,281.11x = 18,310,056,199,138,752
  5. Step 5: Solve for x
    x = 18,310,056,199,138,752/152,872,281.11
  6. Step 6: Final answer
    x = 119,773,552.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.