Home / 98,831,678.40-148,417,578.72-94,580,150.40

Finding the Fourth Proportional to 98,831,678.40, 148,417,578.72 and 94,580,150.40

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Solution

The fourth proportional to 98,831,678.40, 148,417,578.72 and 94,580,150.40 is: 142,032,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,831,678.40 : 148,417,578.72 = 94,580,150.40 : x
  2. Step 2: Convert to fraction form
    98,831,678.40/148,417,578.72 = 94,580,150.40/x
  3. Step 3: Cross multiply
    98,831,678.40x = 148,417,578.72 × 94,580,150.40
  4. Step 4: Simplify right side
    98,831,678.40x = 14,037,356,917,341,440
  5. Step 5: Solve for x
    x = 14,037,356,917,341,440/98,831,678.40
  6. Step 6: Final answer
    x = 142,032,971.05

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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.