Home / 157,128,300.90-235,692,451.35-89,103,852.90

Finding the Fourth Proportional to 157,128,300.90, 235,692,451.35 and 89,103,852.90

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Solution

The fourth proportional to 157,128,300.90, 235,692,451.35 and 89,103,852.90 is: 133,655,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,128,300.90 : 235,692,451.35 = 89,103,852.90 : x
  2. Step 2: Convert to fraction form
    157,128,300.90/235,692,451.35 = 89,103,852.90/x
  3. Step 3: Cross multiply
    157,128,300.90x = 235,692,451.35 × 89,103,852.90
  4. Step 4: Simplify right side
    157,128,300.90x = 21,001,105,514,730,808
  5. Step 5: Solve for x
    x = 21,001,105,514,730,808/157,128,300.90
  6. Step 6: Final answer
    x = 133,655,779.35

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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.