Home / 240,603,386.40-360,905,079.60-87,254,445.60

Finding the Fourth Proportional to 240,603,386.40, 360,905,079.60 and 87,254,445.60

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Solution

The fourth proportional to 240,603,386.40, 360,905,079.60 and 87,254,445.60 is: 130,881,668.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,603,386.40 : 360,905,079.60 = 87,254,445.60 : x
  2. Step 2: Convert to fraction form
    240,603,386.40/360,905,079.60 = 87,254,445.60/x
  3. Step 3: Cross multiply
    240,603,386.40x = 360,905,079.60 × 87,254,445.60
  4. Step 4: Simplify right side
    240,603,386.40x = 31,490,572,634,721,868
  5. Step 5: Solve for x
    x = 31,490,572,634,721,868/240,603,386.40
  6. Step 6: Final answer
    x = 130,881,668.40

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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.